Dialing with an hyperlink is supported in all Browsers. You have to activate this function within the Configuration Wizard - see Configure dial options for Browsers. Make sure that you have disabled the feature in your Softphone Application. See also: Expert Settings, Miscellaneous Settings, Application to dial with Hyperlink.
To dial via an hyperlink in a Browser based application, just insert the following command in your application:
<a href="callto://phonenumber">Click to Dial</a>
where phonenumber has to be replaced with the real phone number like
<a href="callto://+4970054885342">Click to Dial</a>